add deploy workflow

Author: smohiudd

Diff for: .github/workflows/deploy.yml

@@ -0,0 +1,57 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches: [ main ]  # Set this to your default branch name
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '23'
+          cache: 'pnpm'
+      
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 9.15.9
+      
+      - name: Install dependencies
+        run: pnpm install
+      
+      - name: Build
+        run: pnpm run build
+      
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+      
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: './dist'
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4 

Diff for: vite.config.ts

@@ -3,5 +3,6 @@ import react from "@vitejs/plugin-react";
 
 // https://vite.dev/config/
 export default defineConfig({
+  base: '/spatial-access-measures/',
   plugins: [react()],
 });